405351102210217 has 2 divisors, whose sum is σ = 405351102210218. Its totient is φ = 405351102210216.

The previous prime is 405351102210151. The next prime is 405351102210247. The reversal of 405351102210217 is 712012201153504.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 389109710546496 + 16241391663721 = 19725864^2 + 4030061^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-405351102210217 is a prime.

It is not a weakly prime, because it can be changed into another prime (405351102210247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202675551105108 + 202675551105109.

It is an arithmetic number, because the mean of its divisors is an integer number (202675551105109).

Almost surely, 2^{405351102210217} is an apocalyptic number.

It is an amenable number.

405351102210217 is a deficient number, since it is larger than the sum of its proper divisors (1).

405351102210217 is an equidigital number, since it uses as much as digits as its factorization.

405351102210217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 34.

The spelling of 405351102210217 in words is "four hundred five trillion, three hundred fifty-one billion, one hundred two million, two hundred ten thousand, two hundred seventeen".